51 countries share a land border with no other country. That is a different list from the countries made up entirely of islands, and the overlap is not total in either direction.
No country matches that.
Ordered by population. This list is generated from the same fact store the Guess the Country clue engine draws on, so the game and the Atlas can never disagree.
Country data from the World Bank (CC BY 4.0) and the UNDP Human Development Report (CC BY 3.0 IGO)
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